Class

com.twitter.scalding

FoldFunctor

Related Doc: package scalding

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abstract class FoldFunctor[X] extends Functor

This handles the mapReduceMap work on the map-side of the operation. The code below attempts to be optimal with respect to memory allocations and performance, not functional style purity.

Source
Operations.scala
Linear Supertypes
Functor, Serializable, AnyRef, Any
Known Subclasses
Type Hierarchy
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Inherited
  1. FoldFunctor
  2. Functor
  3. Serializable
  4. AnyRef
  5. Any
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Visibility
  1. Public
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Instance Constructors

  1. new FoldFunctor(fields: Fields)

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Abstract Value Members

  1. abstract def finish(lastValue: X): Tuple

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  2. abstract def first(args: TupleEntry): X

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  3. abstract def subsequent(oldValue: X, newArgs: TupleEntry): X

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Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. final def aggregate(flowProcess: FlowProcess[_], args: TupleEntry, context: Tuple): Tuple

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    Definition Classes
    FoldFunctor → Functor
  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  7. final def complete(flowProcess: FlowProcess[_], context: Tuple): Tuple

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    Definition Classes
    FoldFunctor → Functor
  8. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  9. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  10. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  11. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  12. final def getDeclaredFields(): Fields

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    Definition Classes
    FoldFunctor → Functor
  13. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  14. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  15. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  16. final def notify(): Unit

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    Definition Classes
    AnyRef
  17. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  18. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  19. def toString(): String

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    Definition Classes
    AnyRef → Any
  20. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  21. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  22. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Functor

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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